Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880278 | Cutting tool for a mining machine | — | 1989-11-14 |
| 4836178 | Inset for a tool | — | 1989-06-06 |
| 4821465 | Abrasive tool | Richard P. Burnand, Klaus Tank | 1989-04-18 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880278 | Cutting tool for a mining machine | — | 1989-11-14 |
| 4836178 | Inset for a tool | — | 1989-06-06 |
| 4821465 | Abrasive tool | Richard P. Burnand, Klaus Tank | 1989-04-18 |